R7503 : Glanworth Bridge12012-06-10R7503 : Glanworth Bridgehttp://kml.geograph.org.uk/kml/style.kmz#defIreland's oldest and also narrowest road traffic bridge still in use. There are traffic lights, but these days they only display the flashing yellow signal which indicates that priority is to be given to anyone already on the bridge. (view full size)